The term 'knobby' is used to describe something that is bumpy or has protrusions. The crossword solutions for this term are 'torose' (6 letters), 'NODOSE' (6 letters), 'nodal' (5 letters), 'GNARLED' (7 letters), and 'noded' (5 letters). Torose means having a round shape, NODOSE refers to something that is knotty or bumpy, nodal describes something that is related to a node or knot, GNARLED means twisted and knotted, and noded means having nodes or knots. All of these words describe something that is bumpy or has protrusions, which is the definition of the term 'knobby'.